Home / Accessory-Silencer Accessories / Gemtech THREAD PROTECTOR M13.5X1 LH View cart “SIG SAUER MUZZLE BRK CL 7.62MM 25 DEG” has been added to your cart. Gemtech THREAD PROTECTOR M13.5X1 LH$1800 Out of stock SKU: 12223 Category: Accessory-Silencer Accessories Product ID: 26732 Description Description M13.5X1 LH Thread Protector Related products Sale! Rugged Suppressors R3 FLASH HIDER M18X1 $10000 $8715 Sale! Rugged Suppressors R3 FLASH HIDER 3/4X24 $10000 $8715 Sale! Rugged Suppressors OBSIDIAN9 3 LUG ADAPT 13.5x1L $8500 $7561 Sale! Yankee Hill Machine Company SIDEWINDER PISTON 40SW 9/16X24 $7495 $7135